Fluency in English（）my grandmother for a teaching job in her twenties.

A.made him visit
B.paid for a visit
C.visited him
D.did him a visit

A.calls
B.call
C.calling
D.called

A.Let go of each other's hand after 2-3 seconds.
B.Just grasp the person's hand completely.
C.Keep right distance between the two of you.